Princess User Interface / Start Circuit Fault

Ice maker powers on but does not start ice production when Start/On button is pressed.

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Possible Causes

Faulty start button or touchpad, Stuck key on control panel, Loose control panel ribbon cable, Main PCB not recognizing start command

How to Fix / Troubleshooting

Safety: Disconnect power before removing the control panel.

Steps:

  • 1. Confirm mode: Ensure the unit is not in cleaning mode or paused. Check the manual for any lock or pause functions.
  • 2. Try multiple presses: Press the Start/On button firmly several times. If it feels stuck or unresponsive, the switch may be worn.
  • 3. Inspect control panel connection: Remove the top/front cover and reseat the ribbon cable between the control panel and main PCB.
  • 4. Check for moisture: If the panel was recently cleaned with liquid, allow it to dry completely before retesting.

If the button still does not start a cycle, the control panel PCB or main control PCB may need replacement.

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Repair Difficulty

Easy 2/5

Required Part

Control Panel PCB
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